When argil (most 150) with calcium carbonate (most 100) use as when filling, function has a few improvement only. 2 oxidation silicon can be used to 60, in order to improve performance, reduce cost.

• 当陶土（最多150份）和碳酸钙（最多100份）用作填料时，性能只有少许改善。二氧化硅可用至60份，以改进性能，降低成本。